PSY 322 Chapter Notes - Chapter 10: Pituitary Gland, Tropic Hormone, Peptide Hormone
26 Mar 2014
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Ex: those secreted by white blood cells during an infection. Several white blood cells can stimulate their own replication so that the total number of white blood cells increases rapidly: paracrine: act locally on nearby cells. Secreted into a synaptic cleft, rather than into the bloodstream: paracrine agents, therefore considered as a separate category, endocrine: cells, which together constitute the endocrine system secreted into the bloodstream by certain glands and. Released by specialized cells to be picked up my cardiovascular cells. Affect cells that are distant from their source (hormones) Not all cells respond to hormones: no receptor tissue doesn"t respond. 10 main regulatory functions: metabolism, the sum of the chemical changes that occur in tissues, control of food intake & digestion, regulates the level of satiety (fullness) & breakdown of food into individual nutrients, tissue development. Endocrine system: composed of endocrine glands and specialized endocrine cells located throughout the body.
